Home / 6,217.11-8,579.61-3,422.61

Finding the Fourth Proportional to 6,217.11, 8,579.61 and 3,422.61

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Solution

The fourth proportional to 6,217.11, 8,579.61 and 3,422.61 is: 4,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.11 : 8,579.61 = 3,422.61 : x
  2. Step 2: Convert to fraction form
    6,217.11/8,579.61 = 3,422.61/x
  3. Step 3: Cross multiply
    6,217.11x = 8,579.61 × 3,422.61
  4. Step 4: Simplify right side
    6,217.11x = 29,364,658.98
  5. Step 5: Solve for x
    x = 29,364,658.98/6,217.11
  6. Step 6: Final answer
    x = 4,723.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.